CN106629303A - Horizontal electromagnetic lever safety brake device for gear and rack lifting equipment - Google Patents
Horizontal electromagnetic lever safety brake device for gear and rack lifting equipment Download PDFInfo
- Publication number
- CN106629303A CN106629303A CN201611221125.2A CN201611221125A CN106629303A CN 106629303 A CN106629303 A CN 106629303A CN 201611221125 A CN201611221125 A CN 201611221125A CN 106629303 A CN106629303 A CN 106629303A
- Authority
- CN
- China
- Prior art keywords
- jacking equipment
- movable rack
- lever
- tooth bar
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000007704 transition Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 39
- 238000004146 energy storage Methods 0.000 claims description 26
- 230000033001 locomotion Effects 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 22
- 210000000245 forearm Anatomy 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000012797 qualification Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 241000237858 Gastropoda Species 0.000 claims description 2
- 241001584775 Tunga penetrans Species 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/30—Operating devices electrical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a horizontal electromagnetic lever safety brake device for gear and rack lifting equipment. The horizontal electromagnetic lever safety brake device comprises a bearing component, a track assembly, a movable rack, a movable rack limiting mechanism, a movable rack control mechanism, a control device for the movable rack control mechanism, and a manual unlocking mechanism, wherein after entering a braking state, the top of the movable rack is in direct contact with a main bearing structure of a sedan of the lifting equipment or is in contact with and borne by an intermediate transition bearing component; the movable rack control mechanism controls the movable rack to horizontally move on a track hole or is remained at a braking position meshed with a lifting equipment driving rack or completely separated from the lifting equipment driving rack and has a free position with a clearance section. With the adoption of a lever and an electromagnetic impeller, the deadweight of the device is lightened, and the cost is saved; the beneficial effects of saving an effective space, saving energy and improving the leveling accuracy and safety protection braking quality are achieved.
Description
Technical field
The present invention relates to jacking equipment safety catch field, more particularly to a kind of rack-and-pinion jacking equipment level
Electromagnetic lever safety catch.
Background technology
Improve that effective transport power, energy saving are rack-and-pinion jacking equipments one needs the task of ongoing effort, existing
Rack-and-pinion jacking equipment safety catch, be, by various methods, to make drive gear stop operating to realize；But
If drive gear occurs problem, such as gear teeth are damaged, even if gear is not rotated, cannot guarantee that reliable braking；To guarantee peace
Entirely, pinion and-rack jacking equipment must be configured reliably to cope with that problem occurs including drive gear and safety is similar to and asked
The safety catch of topic.
The content of the invention
The purpose of the present invention, is to provide a kind of lighter, cost-effective, energy saving of conducting oneself with dignity, copes with including sliding tooth
The safety catch of wheel generation problem and similar safety problem.
Fig. 1 is a kind of structural representation of rack-and-pinion jacking equipment levels electromagnetic lever safety catch, it is illustrated that side
To for from the top of rack-and-pinion jacking equipment car 60, top car outside plate finding viewed from above is shed, so for lifting
Device drives tooth bar 18 can only see its top, and right movable rack 17 has carried out broken section process, can see clearly inside it
With the fit structure of right lever 20, the combination of right movable rack and the combination of left movable rack be with tooth bar in the middle of center chain-dotted line table
The vertical median plane perpendicular to tooth bar projection plane for showing is the mirror symmetric figure of symmetrical plane, and support 7 is half section；Fig. 1 shows
What is shown is movable rack state detached with jacking equipment driving tooth bar, and described levels electromagnetic lever safety catch is in
Free position state；Fig. 2 is the tooth bar engagement of the rack-and-pinion jacking equipment levels electromagnetic lever safety catch shown in Fig. 1
In the schematic diagram of on-position, projecting direction is identical with the projecting direction of Fig. 1；Fig. 3 for Fig. 1 A-A partial sectional views, direction
It is that, from A-A section eyes fronts (in terms of tooth bar direction) finding, drawing shows rail assembly, movable rack, movable rack and work
The lever left 10 of the operating mechanism of carry-over bar, the annexation of right lever 20, the state of display is movable rack and jacking equipment
Drive tooth bar to separate and be in free position state；Fig. 4 is the movable rack and lifting that view direction same as shown in Figure 3 shows
Schematic diagram of the device drives tooth bar in engagement on-position；Fig. 5 is the B-B partial sectional views of Fig. 1, and direction is from B-B sections
Turn right and see (see toward centerline direction) finding, drawing from vertical section direction show rail assembly, movable rack, movable rack,
The annexation of the lever left 10 of the operating mechanism of movable rack；A kind of rack-and-pinion jacking equipment levels electromagnetic lever is made safely
Dynamic device (hereinafter referred to as levels electromagnetic lever safety catch), is characterized in that, device is configured by horizontal direction, installation site
In jacking equipment car top or bottom or other rational positions, its composition includes, load-supporting part, rail assembly, work
Carry-over bar, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the control device of the operating mechanism of movable rack, hand
Dynamic unlocking mechanism；Described load-supporting part includes direct load-supporting part or middle transition load-supporting part；Described rail assembly
Including the horizontal rail that track window aperture 12, guide plate 29, load-supporting part and upper rail 16 and lower rail 19 are formed, described movable teeth
Bar includes left movable rack 13 and right movable rack 17, and described left movable rack 13 and right movable rack 17 passes through track window
Hole 12, the profile of tooth of the part being associated with the driving tooth bar 18 of jacking equipment of movable rack is in can be with the drive of jacking equipment
Carry-over bar 18 is engaged or detached position, by moving horizontally on rail assembly or being maintained in some defined locations
Realize the engagement with driving tooth bar 18 or separate, described defined location, drive what tooth bar was engaged including with jacking equipment
Application position or with jacking equipment drive tooth bar be kept completely separate and have the free position in a bit of gap, described has one
Segment gap, refers to that driving tooth bar and movable rack tooth top interplanar corresponding thereto have 2～5mm gaps；Movable rack and water
The fit dimension in plate rail road is dynamic cooperation, and contact surface is smooth low coefficient of friction surfaces, to be conducive to the movement of movable rack,
Left movable rack 13 and the top of right movable rack 17 after into on-position with load-supporting part and the directly contact load-bearing of upper rail 16；
The position-limit mechanism of described movable rack includes, the inner face either above or below of the part being associated with guide rail of movable rack
At least one direction is provided with gathering sill, (referring to Fig. 5), and gathering sill is dynamic cooperation with the mating part of guide plate 29, to prevent
Outside or inner side play of the movable rack to car 60；Movable rack top after into on-position with jacking equipment car
Load-supporting part (being load-supporting part and upper rail 16 in Fig. 2, Fig. 4) directly contact or by middle transition load-supporting part contact hold
Weight；The operating mechanism manipulation activities tooth bar of movable rack is moved horizontally on orbit hole or stopped and is maintained at some positions for determining
Put, the operating mechanism of described movable rack is arranged in the support structures 28 in the horizontal plane direction of jacking equipment car, institute
The rack-and-pinion jacking equipment levels electromagnetic lever safety catch stated, its installation site includes the top or bottom of car
Portion or other rational positions；The operating mechanism of described movable rack includes, lever left 10, right lever 20, left fixed shaft
11st, right fixed shaft 21, movable axis 22, pulling block 9, support 8, spring 7, adjusting nut group 6, pull bar 5, pushing block 54, impeller-hub 53,
Lever 52 is promoted, the mounting hole 55 promoted on lever 52 is arranged on, is promoted lever shaft 51, roller shaft 59, roller 60, protection block
58；The control device of the operating mechanism of described movable rack includes, electromagnetism push rod 57, electromagnetic driver main body 56, described
Electromagnetic system, the control system of electromagnetic driver main body including electromagnetic driver, the control system of described electromagnetic driver by
Jacking equipment electric control system is powered and is controlled；The control list of the electromagnetic driver of described jacking equipment electric control system
Also include a time delay energy storage device in unit, when jacking equipment electric control system obtains electric dead electricity afterwards, electromagnetic driver is simultaneously
Not dead electricity immediately, but after the completion of time delay energy storage device time delay, electromagnetic driver dead electricity；When jacking equipment general supply disconnects nothing
(state after discharging including energy storage device energy after original state or dead electricity), jacking equipment remain static when electric；Institute
The actual motion direction of the operating mechanism of the movable rack stated is direction along the horizontal plane, is that narration is clear, is defined herein, sliding tooth
The direction of bar 18 is front, after the direction of electromagnetic driver main body 56 is, to the movement of the direction of tooth bar 18 is driven for reach, to electromagnetic driver
The movement of the direction of main body 56 is rear shifting, and (if Fig. 1, Fig. 2 are vertically placed, reach is exactly that, relative to the up of drawing, shifting afterwards is exactly
Relative to the descending of drawing)；The operating mechanism course of work of movable rack is, original state or electroless state, electromagnetic propulsion
Device main body 56 also has gap, main manipulation machine without electricity, lowest order of the push rod 57 with protection block 3 in initial position and roller 60
The pushing block 54 of structure is moved and is driven pull bar 5, pulling block 9 to move afterwards together by after the elastic force effect of spring 7, is fixed on pulling block 9
Movable axis 22 follows and move after pulling block 9, drives lever left 10, the postbrachium of right lever 20 around left fixed shaft 11, right fixed shaft 21 toward outside
Rotate, lever left 10, the forearm of right lever 20 drive left movable rack 13, right movable rack 17 to drive tooth bar 18 toward jacking equipment
Center position is moved, until the application position at a fully engaged with tooth bar 18 is driven, pushing block 54 is moved after stopping, after pushing block 54
The impeller-hub 53 being fixed on while shifting on pushing block 54 is also moved afterwards, is driven by mounting hole 55 and is promoted lever 52 around promotion lever
The back rotation of axle 51, promotes roller shaft 59, the roller 60 of the other end of lever 52 also with promoting lever 52 to rotate together, until pushing away
Motion block 54 is moved after stopping, and roller 60 reaches last position, has a bit of gap with protection block 58, keeps not contact condition, described
A bit of gap, refers to 2～5mm gaps；When electromagnetic driver main body 56 must be electric, push rod 57 promotes protection block 58 to move forward, protect
The pushing rolling wheels 60 of protecting block 58, roller shaft 59 move forward, roller 60, roller shaft 59 drive promote lever 52 around promote lever shaft 51 forward
Rotation, promotes lever 52 to drive impeller-hub 53, impeller-hub 53 to drive pushing block 54 to move forward by mounting hole 55, and pushing block 54 drives
Pull bar 5, pulling block 9 move forward together simultaneously compression spring 7, and the movable axis 22 being fixed on pulling block 9 follows pulling block 9 to move forward, drives a left side
Lever 10, the postbrachium of right lever 20 are rotated around left fixed shaft 11, right fixed shaft 21 toward inner side, lever left 10, the forearm of right lever 20
Left movable rack 13, right movable rack 17 are driven toward the direction movement for leaving jacking equipment and driving tooth bar 18 center, until with liter
Drop device drives tooth bar 18 is kept completely separate and has the free position in a bit of gap, and safety catch is in free position shape
State, is that jacking equipment starts ready, described a bit of gap, refers to 2～5mm gaps；Jacking equipment needs after starting
During stopping, the electric control system of jacking equipment first disconnects jacking equipment motor power, and motor deceleration stops position when being close to
When putting, such as during close level position, electric control system controls on schedule the dead electricity of electromagnetic driver main body 56, push rod 57 with
Protection block 58 after move, pushing block 54 by spring 7 elastic force effect after move, pushing block 54 drive impeller-hub 53, by mounting hole 55
Drive to promote lever 52 and follow installed in the roller shaft 59, roller 60 promoted on lever 52 and move after protection block 58 and push rod 57
And drive pull bar 5, pulling block 9 to move afterwards together, the movable axis 22 being fixed on pulling block 9 follows and move after pulling block 9, drives lever left
10th, the postbrachium of right lever 20 is rotated around left fixed shaft 11, right fixed shaft 21 toward outside, and lever left 10, the forearm of right lever 20 drive
Left movable rack 13, right movable rack 17 drive the movement of the center position of tooth bar 18 toward jacking equipment, until complete with tooth bar 18 is driven
The application position of full engagement, reliably brakes to jacking equipment；Pushing block 54 stop after move, but push rod 57 with protection block 58 after
Move a small distance after continuous, reach and keep discontiguous state with roller 60, described a small distance, refer to 2～5mm away from
From；Adjusting nut group 6 is used to adjust the pressure of spring 7, and support 8 fixes the front position of the front end face of spring 7；If there is different
The unexpected power down of reason condition, such as jacking equipment or because jacking equipment overspeed protective device action power dump or because
Jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc., and now jacking equipment general supply is immediately without electricity, other
Electricity-loss braking device plays a role immediately braking including the dead electricity band brake apparatus that motor is carried, complete in time delay energy storage device time delay
Cheng Hou, the dead electricity of electromagnetic driver main body 56, push rod 57 with protection block 58 after move, be reset to after original state, pushing block 54 move,
Left movable rack 13, right movable rack 17 and the driving positive engagement of tooth bar 18, it is ensured that the safety of jacking equipment；Brake hard feelings
Under condition, left movable rack 13, right movable rack 17 may not have at a fully engaged with tooth bar 18 is driven at the beginning, worst situation
The situation that the peak of tooth bar and peak are contacted may occur, now under elastic force effect temporarily when being braking as shown in Figure 4
Shi Chengwei friction catches, if now the braking moment of jacking equipment whole brake apparatus is added up and be enough to realize braking, braking
Task is completed；If now the braking moment of jacking equipment whole brake apparatus added up and be all not enough under prevention jacking equipment
It is sliding, (because there is braking moment to act on, just started glide can be slower), when slipping down to stagger peak and peak
During position, left movable rack 13, right movable rack 17 will be clamp-oned in the teeth groove for driving tooth bar 18 (referring to figure in the case where elastic force is promoted
5), then as continuing to glide, continue to clamp-on, until left movable rack 13, right movable rack 17 are nibbled with the reliability of tooth bar 18 is driven
Close, implement braking；Described electromagnetic driver, be a kind of selected working method be the way of propelling long-stroke push-and-pull electromagnet,
It is a kind of new Electromagnetic Control action executing device, using power supply plus automatically controlled conversion, high-power start, the work that small-power is maintained
Make mode, the old-fashioned electromagnet volume than producing onesize active force is less, deadweight lighter, more power saving；And due to adopting
Lever, it is possible to use the thrust many electromagnetic drivers half as large than pushing directly on, can realize cost-effective, energy saving
Effect.
Described hand-operating unlocking mechanism, including, the combination 24, drive screw 25 of clasp nut control crank 23, clasp nut,
Worm screw control crank 26, worm type of reduction gearing 27, wherein clasp nut combination 24 and pulling block 9 are to be fixedly connected, drive screw
25 is to be fixedly connected with the worm gear of worm type of reduction gearing 27, and usual, clasp nut control crank 23 is placed in and opens a sluice gate position, folding
Nut combination 24 in open a sluice gate the male thread of state, its box thread and drive screw 25 without engaging, drive screw 25 is to folding spiral shell
The motion of mother's combination 24 has no effect, so as to hand-operating unlocking mechanism is filled to the safety arrestment of rack-and-pinion jacking equipment electromagnetic propulsion
The motion put has no effect, when jacking equipment because have a power failure suddenly or other reason brake hards rest in can not with it is any
During the position of one stop flat bed, now clasp nut control crank 23 can be placed in closing position, make clasp nut combination 24
Normally engage with the male thread of drive screw 25 in "on" position, its box thread, manually operate worm screw control crank 26, make snail
Worm and gear decelerator 27 is rotated and drives drive screw 25 to rotate, the transmission clasp nut of drive screw 25 combination 24 is moved forward,
Clasp nut combination 24 drives pulling block 9 to move forward, and the movable axis 22 being fixed on pulling block 9 follows pulling block 9 to move forward, drives left thick stick
Bar 10, the postbrachium of right lever 20 are rotated around left fixed shaft 11, right fixed shaft 21 toward inner side, lever left 10, the forearm strap of right lever 20
Dynamic left movable rack 13, right movable rack 17 drive the direction movement at the center of tooth bar 18 toward jacking equipment is left, until with lifting
Device drives tooth bar 18 is kept completely separate and has the free position in a bit of gap；Then Manual jigger mechanism is used, lifting is set
Standby flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open, and has formulated regulations
System and strictly implement, it is ensured that only possess qualification, authorized personnel could open and use.
The control system of described electromagnetic driver is powered and is controlled by jacking equipment electric control system, its electrical control
The rate-determining steps of system include, when jacking equipment prepares to start, the electric control system control jacking equipment of jacking equipment
Drive system drives jacking equipment to move up a distance element, makes lower plane and right movable rack 17 and the left side of load-supporting part 16
The upper plane of movable rack 13 has a microgap, and the numerical value of described microgap is left movable rack 13, right movable rack 17
With 0.2～0.6 times that jacking equipment drives the sideshake of tooth bar 18；Then control electromagnetic driver main body 1 and obtain electric, drive left movable teeth
Bar 13, right movable rack 17 drive the direction movement at tooth bar 18 center toward jacking equipment is left, until with jacking equipment sliding tooth
Bar 18 is kept completely separate and has the free position in a bit of gap, is that jacking equipment startup is ready.
The time delay energy storage that the control unit of the electromagnetic driver of described jacking equipment electric control system includes
Device, including a contactor or relay for only being controlled by general supply adds contactor to combine, and energy storage device, described
The contactor or relay for only being controlled by general supply adds the normally-closed contact that contactor is combined to be connected across electromagnetic driver and energy storage
Between device, when jacking equipment obtains electric, normally-closed contact disconnects, and the connection between electromagnetic driver and energy storage device also disconnects, and stores up
Can device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices are sent out immediately including the dead electricity band brake apparatus that motor is carried
Wave effect braking, but electromagnetic driver not dead electricity immediately, it is described only by the contactor or relay of general supply control
Plus the normally-closed contact dead electricity closure of contactor combination, electromagnetic driver is connected with energy storage device, energy storage device is to electromagnetic propulsion
When time delay (discharge time) the constant design tuning of device is that other electricity-loss braking devices individually complete to brake the braking for needing
Between with electromagnetic driver and the difference of the action total delay time of the operating mechanism of movable rack；For example, certain jacking equipment
Other electricity-loss braking devices individually complete to brake the manipulation machine that the braking time for needing is 3.5S, electromagnetic driver and movable rack
The action total delay time of structure is 0.2S, then energy storage device is (3.5S- to the time delay constant design tuning of electromagnetic driver
0.2S=) 3.3S, after the completion of time delay energy storage device time delay, electromagnetic driver dead electricity.
Using each possibility of jacking equipment of the rack-and-pinion jacking equipment levels electromagnetic lever safety catch of the present invention
The distance between braking anchor point be that it drives the integral multiple of tooth bar tooth pitch (p=π m), therefore be configured with the safety of the present invention
The installation method of the jacking equipment of brake apparatus includes, when carrying out and install relevant early stage civil engineering, it is necessary to by layer
Stand and the difference in height of stop carry out accurate measurement, each stop sill is constructed and is controlled accordingly and accurately stop and stop it
Between on sill plane difference in height to drive the integral multiple of tooth bar tooth pitch (p=π m), according to the regulation of GB/T10058, it is allowed to by mistake
Difference is ± 10mm (construction internally controlling requirement should be less than this error amount)；When jacking equipment is installed, it is correct adjust jacking equipment with
Drive working in coordination for tooth bar so that jacking equipment car just stops leveling accuracy and in median from ground floor, then after
Stop flat bed just can meet the requirements, or even when other indivedual flat bed element failures, also can guarantee that stop is flat
Layer is accurately；And flat bed keeps precision to be much better than the requirement of ± 20mm of GB/T10058 regulations.
The present invention carries out safeguard protection braking using tooth bar engagement system, it is to avoid existing friction catch mode may go out
The existing potential safety hazard caused because of friction material abrasion or oil pollution etc., improves the reliability of safety arrestment；Using
Lever adds electromagnetic driver to be conducive to cost-effective, energy saving；Horizontal direction configuration can be arranged with top set or bottom and installed,
The useful space in car is saved；Tooth bar engagement flat bed keep precision can reach be much better than GB/T10058 regulation ±
The requirement of 20mm；Save effective transport power, cost-effective, energy saving, improve langding accuracy and safeguard protection therefore, it is possible to play
The beneficial effect of braking quality.
Description of the drawings
Fig. 1 is a kind of structural representation of rack-and-pinion jacking equipment levels electromagnetic lever safety catch.
Fig. 2 is in the signal of on-position for the rack-and-pinion jacking equipment levels electromagnetic lever safety catch of Fig. 1
Figure.
Fig. 3 is the A-A partial sectional views of Fig. 1.
Fig. 4 is the movable rack that shows of view direction same as shown in Figure 3 drives tooth bar in engaging with jacking equipment
The schematic diagram of on-position.
Fig. 5 is the B-B partial sectional views of Fig. 1.
Fig. 6 is the C-C partial sectional views direction of Fig. 1, and the peak that tooth bar may occur when braking is contacted with peak
View.
Fig. 7 is the same view direction of Fig. 6, clamp-ons lifting under left movable rack, right movable rack are promoted in elastic force and sets
Schematic diagram in the teeth groove of standby driving tooth bar.
Fig. 8 is the schematic diagram of embodiment 1.
The situation schematic diagram that Fig. 9 is braked for the safety catch of embodiment 1 to jacking equipment.
Specific embodiment
Embodiment 1, Fig. 8 for embodiment 1 schematic diagram, drawing show be jacking equipment side outward appearance, described level
Electromagnetic lever safety catch is arranged on the top of pinion and-rack jacking equipment, temporarily in free position, jacking equipment
Situation in preparing operation or being currently running, Fig. 9 is the levels electromagnetic lever safety catch of embodiment 1 to jacking equipment
The situation schematic diagram being braked, (left and right described in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 6, Fig. 7 above, is from jacking equipment
Face sees that Fig. 8, Fig. 9 are to see toward jacking equipment side from the outside, so left and right directions is just anti-phase toward jacking equipment side), adopt
Levels electromagnetic promote its internal structure each several part of safety catch composition and the explanation that acts on as shown in Fig. 1～7, and
[0004] described in section, [0005] section, [0006] section, [0007] section, the matching coordinative due to being related to multiple transmission systems, so
Workmanship and installation quality are should be specifically noted that when manufacture and installation, including necessary ready-made including accurate described in [0008] section
The relevant work of the difference in height for the integral multiple of driving tooth bar tooth pitch (p=π m) of plane on sill between stop and stop is controlled,
Ensure necessary precision, after detection is qualified, could trial operation；The electric control system of jacking equipment adopts embedded system conduct
Master control system, its course of work is when system is without electricity, including disconnecting power switch or accidental power failure etc. lifting to be set
Standby general supply disconnects, electromagnetic driver main body 56 without electricity, push rod 57 with protection block 3 in initial position and roller 60 most
The pushing block 54 that low level also has gap, main operating mechanism is moved and is driven pull bar 5, pulling block 9 together by after the elastic force effect of spring 7
After move, the movable axis 22 being fixed on pulling block 9 follow move after pulling block 9, drive lever left 10, the postbrachium of right lever 20 is around left fixed shaft
11st, right fixed shaft 21 is rotated toward outside, and lever left 10, the forearm of right lever 20 drive left movable rack 13, right movable rack 17
The movement of the center position of tooth bar 18 is driven toward jacking equipment, until the application position at a fully engaged with tooth bar 18 is driven, pushing block 54
Move after stopping, the impeller-hub 53 being fixed on pushing block 54 while moving after pushing block 54 is also moved afterwards, by the band of mounting hole 55
It is dynamic to promote lever 52 around the back rotation of lever shaft 51 is promoted, the roller shaft 59 of the other end of lever 52, roller 60 are promoted also with pushing away
Dynamic lever 52 rotates together, until moving after pushing block 54 stops, roller 60 reaches last position, has a bit of with protection block 58
Gap, keeps not contact condition, described a bit of gap, refers to 2～5mm gaps；When electromagnetic driver main body 56 must be electric, push away
Bar 57 promotes protection block 58 to move forward, protect the pushing rolling wheels 60 of block 58, roller shaft 59 to move forward, and roller 60, roller shaft 59 drive and promote
Lever 52 promotes lever 52 to drive impeller-hub 53, impeller-hub 53 to drive by mounting hole 55 around promoting lever shaft 51 to rotate forward
Pushing block 54 moves forward, and pushing block 54 drives pull bar 5, pulling block 9 to move forward together while compression spring 7, the activity being fixed on pulling block 9
Axle 22 follows pulling block 9 to move forward, drives lever left 10, the postbrachium of right lever 20 to rotate toward inner side around left fixed shaft 11, right fixed shaft 21,
Lever left 10, the forearm of right lever 20 drive left movable rack 13, right movable rack 17 to drive tooth bar 18 toward jacking equipment is left
The direction movement at center, until drive tooth bar 18 to be kept completely separate and have the free position in a bit of gap with jacking equipment, safety
Brake apparatus is in free position state, is that jacking equipment starts ready, described a bit of gap, refers between 2～5mm
Gap；When jacking equipment needs to stop after starting, the electric control system of jacking equipment first disconnects jacking equipment motor power, electricity
Such as motivation is slowed down, and when close stop position, during close level position, electric control system controls on schedule electromagnetic driver
The dead electricity of main body 56, push rod 57 is moved with after right protection block 58 after the elastic force effect of shifting, pushing block 54 by spring 7, the band of pushing block 54
Dynamic impeller-hub 53, by mounting hole 55 drive promote lever 52 and installed in promote lever 52 on roller shaft 59, roller 60
Following move and drive pull bar 5, pulling block 9 to move afterwards together after protection block 58 and push rod 57, be fixed on movable axis 22 on pulling block 9 with
Rotate toward outside around left fixed shaft 11, right fixed shaft 21 with lever left 10, the postbrachium of right lever 20 are moved, driven after pulling block 9, lever left
10th, the forearm of right lever 20 drives left movable rack 13, right movable rack 17 to drive the center position of tooth bar 18 to move toward jacking equipment
It is dynamic, until the application position at a fully engaged with tooth bar 18 is driven, reliably brakes to jacking equipment；Pushing block 54 is moved after stopping, but
A small distance is moved after to be push rod 57 continue with protection block 58, is reached and is kept discontiguous state with roller 60, described one
Little segment distance, refers to 2～5mm distances；Adjusting nut group 6 is used to adjust the pressure of spring 7, and support 8 fixes the front end face of spring 7
Front position；If there is abnormal conditions, such as unexpected power down of jacking equipment or because jacking equipment overspeed protective device
Action power dump or because jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc., now lifting sets
Immediately without electricity, other electricity-loss braking devices play a role immediately system standby general supply including the dead electricity band brake apparatus that motor is carried
Dynamic, after the completion of energy storage device time delay, the dead electricity of electromagnetic driver main body 56, push rod 57 is reset to initial with shifting after protection block 58
Shifting, left movable rack 13, right movable rack 17 and the driving positive engagement of tooth bar 18 after state, pushing block 54, it is ensured that lifting sets
Standby safety；In the case of brake hard, left movable rack 13, right movable rack 17 may not have at the beginning with tooth bar 18 is driven
Full engagement, may occur the situation that the peak of tooth bar and peak are contacted when worst situation is braking as shown in Figure 4,
Now friction catch is temporarily become under elastic force effect, if now the braking moment of jacking equipment whole brake apparatus is added up
Be enough to realize braking, braking task is completed；If now the braking moment of jacking equipment whole brake apparatus adds up all not enough
Glided with preventing jacking equipment, (because there is braking moment to act on, just having started the meeting of downslide slower) staggers when slipping down to
During the position of peak and peak, left movable rack 13, right movable rack 17 will clamp-on driving tooth bar in the case where elastic force is promoted
(referring to Fig. 5) in 18 teeth groove, then as continue glide, continue to clamp-on, until left movable rack 13, right movable rack 17 with
The positive engagement of tooth bar 18 is driven, implements braking；；When jacking equipment because suddenly power failure or other reason brake hards are rested in
Can not with the position of any one stop flat bed when, now clasp nut control crank 23 can be placed in closing position, make folding
Nut combination 24 is normally engaged with the male thread of drive screw 25 in "on" position, its box thread, manually operates worm screw to manipulate
Handle 26, rotate worm type of reduction gearing 27 and drive drive screw 25 to rotate, drive screw 25 transmission clasp nut combination
24 move forward, clasp nut combination 24 drives pulling block 9 to move forward, and the movable axis 22 being fixed on pulling block 9 is followed before pulling block 9
Move, drive lever left 10, the postbrachium of right lever 20 to rotate toward inner side around left fixed shaft 11, right fixed shaft 21, lever left 10, right lever
20 forearm drives left movable rack 13, right movable rack 17 toward the direction movement for leaving jacking equipment driving tooth bar 18 center,
Until driving tooth bar 18 to be kept completely separate and have the free position in a bit of gap with jacking equipment；Then hand turning machine is used
Structure, makes jacking equipment flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open,
Rules and regulations are formulated and have strictly implemented, it is ensured that only possessed qualification, authorized personnel could open and use.
Embodiment 2, Fig. 8, Fig. 9 are also the schematic diagram of embodiment 2, it is shown that one kind is mounted with level of the present invention
The elevator of electromagnetic lever safety catch, the levels electromagnetic lever safety catch of employing its internal structure each several part composition
And the explanation of effect is seen shown in Fig. 1～7, and described in [0004] section, [0005] section, [0006] section, [0007] section, work is former
Reason is described identical with [0019] section.
For the benefit of reader understand the present invention, this specification citing describe some concrete structures and data, these be all for
Explanation and it is non-limiting, the various changes done in the range of the basic thought of the claims in the present invention, replace and change is produced
Raw all or part of equivalent, all within the scope of the invention as claimed.
Claims (6)
1. a kind of rack-and-pinion jacking equipment levels electromagnetic lever safety catch, is characterized in that, device is matched somebody with somebody by horizontal direction
Put, installation site includes in jacking equipment car top or bottom or other rational positions, its composition, load-supporting part,
Rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the operating mechanism of movable rack
Control device, hand-operating unlocking mechanism；Described load-supporting part includes direct load-supporting part or middle transition load-supporting part；It is described
Rail assembly include the horizontal rail that track window aperture, guide plate, load-supporting part and upper rail and lower rail are formed, described activity
Tooth bar includes right movable rack and left movable rack, and described right movable rack and left movable rack passes through track window aperture, living
The profile of tooth of the part being associated with the driving tooth bar of jacking equipment of carry-over bar is in and can nibble with the driving tooth bar of jacking equipment
Close or detached position, realize in some defined locations and drive by moving horizontally on rail assembly or being maintained at
The engagement or separation of tooth bar, described defined location, including with jacking equipment drive the application position that engages of tooth bar or
Tooth bar is driven to be kept completely separate and have the free position in a bit of gap with jacking equipment, described has a bit of gap, refers to
Tooth bar and movable rack tooth top interplanar corresponding thereto is driven there are 2～5mm gaps；The cooperation chi of movable rack and horizontal rail
Very little to coordinate for dynamic, contact surface is smooth low coefficient of friction surfaces, to be conducive to the movement of movable rack, right movable rack and a left side
Movable rack top after into on-position with load-supporting part and upper rail directly contact load-bearing；Described movable rack it is spacing
Mechanism includes that at least one direction of the inner face either above or below of the part being associated with guide rail of movable rack is provided with leads
To groove, gathering sill is dynamic cooperation with the mating part of guide plate, to prevent outside or inner side play of the movable rack to car；
Movable rack top is after into on-position with the load-supporting part directly contact of jacking equipment car or by middle transition
Load-supporting part contacts load-bearing；The operating mechanism manipulation activities tooth bar of movable rack moves horizontally or stops holding on orbit hole
In some defined locations, the operating mechanism of described movable rack is arranged in propping up for the horizontal plane direction of jacking equipment car
Hold in structure, described rack-and-pinion jacking equipment levels electromagnetic lever safety catch, its installation site includes car
Top or bottom or other rational positions；The operating mechanism of described movable rack includes, lever left, right lever, a left side
Fixing axle, right fixed shaft, movable axis, pulling block, support, spring, adjusting nut group, pull bar, pushing block, impeller-hub, promote lever,
It is arranged on the mounting hole promoted on lever, promotes lever shaft, roller shaft, roller, protection block；The manipulation machine of described movable rack
The control device of structure includes that electromagnetism push rod, electromagnetic driver main body, described electromagnetic driver main body include electromagnetic driver
Electromagnetic system, control system, the control system of described electromagnetic driver is powered and is controlled by jacking equipment electric control system；
Also include a time delay energy storage device in the control unit of the electromagnetic driver of described jacking equipment electric control system, work as liter
Drop equipment electrical control system obtain it is electric after dead electricity when, electromagnetic driver not dead electricity immediately, but prolong in time delay energy storage device
When after the completion of, electromagnetic driver dead electricity；When jacking equipment general supply is disconnected without electricity, jacking equipment remains static；It is described
The actual motion direction of operating mechanism of movable rack be direction along the horizontal plane, be that narration is clear, define herein, drive tooth bar
Direction is front, after electromagnetic driver main direction is, to the movement of tooth bar direction is driven for reach, to electromagnetic driver main direction
Mobile is rear shifting；The operating mechanism course of work of movable rack is, original state or electroless state, electromagnetic driver main body without
Electricity, the pushing block that lowest order of the push rod with protection block in initial position and roller also has gap, main operating mechanism receives spring
Elastic force effect after move and drive pull bar, pulling block to move afterwards together, the movable axis being fixed on pulling block follow after pulling block move, drive
Lever left, right lever postbrachium are rotated around left fixed shaft, right fixed shaft toward outside, and lever left, the forearm of right lever drive left activity
Tooth bar, right movable rack drive the movement of tooth bar center position toward jacking equipment, until the retarder location at a fully engaged with tooth bar is driven
Put, pushing block is moved after stopping, and the impeller-hub being fixed on pushing block while moving after pushing block is also moved afterwards, by mounting hole band
It is dynamic to promote lever around lever shaft back rotation is promoted, the roller shaft of the lever other end, roller are promoted also with promoting lever together
Rotation, until moving after pushing block stops, roller reaches last position, has a bit of gap with protection block, keeps not contact condition, institute
The a bit of gap stated, refers to 2～5mm gaps；When electromagnetic driver main body obtains electric, push rod promotes protection block reach, protection
Block pushing rolling wheels, roller shaft reach, roller, roller shaft drive and promote lever around promoting lever shaft to rotate forward, promote lever to lead to
Crossing mounting hole drives impeller-hub, impeller-hub to drive pushing block reach, pushing block to drive pull bar, pulling block to move forward together while compressing bullet
Spring, the movable axis being fixed on pulling block follows pulling block reach, drives lever left, right lever postbrachium around left fixed shaft, right fixed shaft
Rotate toward inner side, lever left, the forearm of right lever drive left movable rack, right movable rack to drive tooth bar toward jacking equipment is left
The direction movement at center, until driving tooth bar to be kept completely separate and have the free position in a bit of gap, safety system with jacking equipment
Dynamic device is in free position state, is that jacking equipment starts ready, described a bit of gap, refers between 2～5mm
Gap；When jacking equipment needs to stop after starting, the electric control system of jacking equipment first disconnects jacking equipment motor power, electricity
Such as motivation is slowed down, and when close stop position, during close level position, electric control system controls on schedule electromagnetic driver
Main body dead electricity, push rod is moved with after protection block after the elastic force effect of shifting, pushing block by spring, and pushing block drives impeller-hub, passes through
Mounting hole drives to promote lever and follows installed in the roller shaft, roller promoted on lever and move and band after protection block and push rod
Dynamic pull bar, pulling block are moved afterwards together, the movable axis being fixed on pulling block follow after pulling block move, drive lever left, right lever postbrachium around
Left fixed shaft, right fixed shaft are rotated toward outside, and lever left, the forearm of right lever drive left movable rack, right movable rack toward liter
Drop device drives tooth bar center position movement, until the application position at a fully engaged with tooth bar is driven, reliably makes to jacking equipment
It is dynamic；Pushing block is moved after stopping, but push rod moves a small distance after continuing with protection block, is reached and is kept discontiguous with roller
State, described a small distance refers to 2～5mm distances；Adjusting nut group is used to adjust the pressure of spring, and support fixes bullet
The front position of the front end face of spring；Surpass if there is abnormal conditions, such as unexpected power down of jacking equipment or because of jacking equipment
Fast protection device action power dump or because jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc.,
Now jacking equipment general supply immediately without electricity, including the dead electricity band brake apparatus that motor is carried send out immediately by other electricity-loss braking devices
Effect braking is waved, after the completion of time delay energy storage device time delay, electromagnetic driver main body dead electricity, push rod resets with shifting after protection block
For shifting, left movable rack, right movable rack and driving tooth bar positive engagement after original state, pushing block, it is ensured that jacking equipment
Safety；Described electromagnetic driver, is a kind of long-stroke push-and-pull electromagnet that selected working method is the way of propelling, is a kind of
New Electromagnetic Control action executing device, using power supply plus automatically controlled conversion, high-power start, the work side that small-power is maintained
Formula.
2. rack-and-pinion jacking equipment levels electromagnetic lever safety catch according to claim 1, is characterized in that, institute
The hand-operating unlocking mechanism stated, including clasp nut control crank, clasp nut combination, drive screw, worm screw control crank, snail
Worm and gear decelerator, wherein clasp nut combine with pulling block be fixedly connected, the worm gear of drive screw and worm type of reduction gearing
To be fixedly connected, usually, clasp nut control crank is placed in and opens a sluice gate position, clasp nut combination in opening a sluice gate state, its female spiral shell
Line has no effect without engagement, drive screw with the male thread of drive screw to the motion that clasp nut is combined, so as to solve manually
Latch mechanism to rack-and-pinion jacking equipment levels electromagnetic promote safety catch motion have no effect, when jacking equipment because
For have a power failure suddenly or other reason brake hards rest in can not with the position of any one stop flat bed when, now can be opening
Close nut control crank to be placed in closing position, make public affairs of the clasp nut combination in "on" position, its box thread and drive screw
Screw thread is normally engaged, manually operates worm screw control crank, rotates worm type of reduction gearing and drives drive screw to rotate, transmission
The combination of screw drive clasp nut is moved forward, clasp nut combination drives pulling block to move forward, the activity being fixed on pulling block
Axle follows pulling block reach, drives lever left, right lever postbrachium to rotate toward inner side around left fixed shaft, right fixed shaft, lever left, You Gang
The forearm of bar drives left movable rack, right movable rack toward the direction movement for leaving jacking equipment driving tooth bar center, until with
Jacking equipment drives tooth bar to be kept completely separate and have the free position in a bit of gap；Then Manual jigger mechanism is used, lifting is made
Equipment flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open, and has formulated rule
Chapter system and strictly implement, it is ensured that only possess qualification, authorized personnel could open and use.
3. rack-and-pinion jacking equipment levels electromagnetic lever safety catch according to claim 1, is characterized in that, institute
The control system of the electromagnetic driver stated is powered and is controlled by jacking equipment electric control system, the control of its electric control system
Step includes, when jacking equipment prepares to start, the electric control system control jacking equipment drive system of jacking equipment is driven
Dynamic jacking equipment moves up a distance element, and the lower plane and right movable rack and the upper of left movable rack for making load-supporting part is put down
There is a microgap in face, and the numerical value of described microgap is that left movable rack, right movable rack and jacking equipment drive rack bar side
0.2～0.6 times of gap；Then control electromagnetic driver main body and obtain electric, the left movable rack of drive, right movable rack are past to leave lifting
The direction movement at device drives tooth bar center, until driving tooth bar to be kept completely separate and have the freedom in a bit of gap with jacking equipment
Position, is that jacking equipment startup is ready.
4. rack-and-pinion jacking equipment levels electromagnetic lever safety catch according to claim 1, is characterized in that, institute
The time delay energy storage device that the control unit of the electromagnetic driver of the jacking equipment electric control system stated includes, including,
One contactor or relay for only being controlled by general supply adds contactor to combine, and energy storage device, and described only receives general supply
The contactor or relay of control adds the normally-closed contact that contactor is combined to be connected across between electromagnetic driver and energy storage device, rises
When drop equipment obtains electric, normally-closed contact disconnects, and the connection between electromagnetic driver and energy storage device also disconnects, energy storage device energy storage；
During jacking equipment dead electricity, other electricity-loss braking devices play a role immediately braking including the dead electricity band brake apparatus that motor is carried,
But electromagnetic driver not dead electricity immediately, described is only added contactor to combine by the contactor or relay of general supply control
Normally-closed contact dead electricity closure, electromagnetic driver is connected with energy storage device, time delay of the energy storage device to electromagnetic driver
(discharge time) constant design tuning is that other electricity-loss braking devices individually complete to brake braking time and the electromagnetic propulsion for needing
The difference of the action total delay time of the operating mechanism of device and movable rack；After the completion of time delay energy storage device time delay, electromagnetic propulsion
Device dead electricity.
5. rack-and-pinion jacking equipment levels electromagnetic lever safety catch according to claim 1, is characterized in that, match somebody with somebody
Being equipped with the installation method of the jacking equipment of the rack-and-pinion jacking equipment levels electromagnetic lever safety catch of the present invention includes,
When carrying out and install relevant early stage civil engineering, it is necessary to carry out accurate measurement by the difference in height to stop and stop, accordingly
The difference in height of plane on sill between stop and stop is constructed and accurately controlled to each stop sill to drive tooth bar tooth pitch
Integral multiple, it is correct to adjust working in coordination for jacking equipment and driving tooth bar so that jacking equipment sedan-chair when jacking equipment is installed
Leveling accuracy is just stopped from ground floor and in median in railway carriage or compartment.
6. a kind of elevator, is characterized in that, install and use the gear teeth described in any claim in claim 1- claim 5
Bar jacking equipment levels electromagnetic lever safety catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221125.2A CN106629303B (en) | 2016-12-27 | 2016-12-27 | Rack-and-pinion lifting device levels electromagnetic lever safety catch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221125.2A CN106629303B (en) | 2016-12-27 | 2016-12-27 | Rack-and-pinion lifting device levels electromagnetic lever safety catch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106629303A true CN106629303A (en) | 2017-05-10 |
| CN106629303B CN106629303B (en) | 2018-11-30 |
Family
ID=58831291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611221125.2A Active CN106629303B (en) | 2016-12-27 | 2016-12-27 | Rack-and-pinion lifting device levels electromagnetic lever safety catch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106629303B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407059A (en) * | 2019-07-02 | 2019-11-05 | 广西科技大学 | Rope chain jacking system safety device |
| CN110775776A (en) * | 2019-11-22 | 2020-02-11 | 山东富士制御电梯有限公司 | Spiral self-driving elevator |
| CN113498399A (en) * | 2019-02-20 | 2021-10-12 | 蒂森克虏伯电梯创新与运营有限公司 | Triggering system for a safety gear, elevator installation and method for operating an elevator installation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB554673A (en) * | 1942-03-03 | 1943-07-14 | Wm Wadsworth & Sons Ltd | Improvements relating to safety devices for lifts or elevators |
| CN2392751Y (en) * | 1999-11-09 | 2000-08-23 | 贵州省机械化施工公司 | Protection device for preventing shaped steel headgear hanging basket fro dropping off |
| JP2006206217A (en) * | 2005-01-26 | 2006-08-10 | Mitsubishi Electric Corp | Rail holding mechanism and safety means for elevator using the same |
| JP2012115986A (en) * | 2012-02-01 | 2012-06-21 | Line Works:Kk | Elevating-body falling prevention device and working machine with the same |
| JP2016155613A (en) * | 2015-02-23 | 2016-09-01 | 株式会社日立製作所 | Emergency stop device and elevator |
-
2016
- 2016-12-27 CN CN201611221125.2A patent/CN106629303B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB554673A (en) * | 1942-03-03 | 1943-07-14 | Wm Wadsworth & Sons Ltd | Improvements relating to safety devices for lifts or elevators |
| CN2392751Y (en) * | 1999-11-09 | 2000-08-23 | 贵州省机械化施工公司 | Protection device for preventing shaped steel headgear hanging basket fro dropping off |
| JP2006206217A (en) * | 2005-01-26 | 2006-08-10 | Mitsubishi Electric Corp | Rail holding mechanism and safety means for elevator using the same |
| JP2012115986A (en) * | 2012-02-01 | 2012-06-21 | Line Works:Kk | Elevating-body falling prevention device and working machine with the same |
| JP2016155613A (en) * | 2015-02-23 | 2016-09-01 | 株式会社日立製作所 | Emergency stop device and elevator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113498399A (en) * | 2019-02-20 | 2021-10-12 | 蒂森克虏伯电梯创新与运营有限公司 | Triggering system for a safety gear, elevator installation and method for operating an elevator installation |
| CN113498399B (en) * | 2019-02-20 | 2023-08-11 | 蒂森克虏伯电梯创新与运营有限公司 | Triggering system for safety gear, elevator installation and method for operating an elevator installation |
| CN110407059A (en) * | 2019-07-02 | 2019-11-05 | 广西科技大学 | Rope chain jacking system safety device |
| CN110407059B (en) * | 2019-07-02 | 2024-01-16 | 广西科技大学 | Safety protection device for cable chain lifting system |
| CN110775776A (en) * | 2019-11-22 | 2020-02-11 | 山东富士制御电梯有限公司 | Spiral self-driving elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106629303B (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106744145A (en) | Jacking equipment electromagnetic lever rack-and-pinion safety catch | |
| CN106698144B (en) | The elevator of lifting device maintenance platform and safety electromagnetic brake apparatus is installed | |
| CN106629303A (en) | Horizontal electromagnetic lever safety brake device for gear and rack lifting equipment | |
| WO2017000911A1 (en) | Safety footboard for rail transit platform | |
| CN102605985B (en) | Multilayer garage without avoidance | |
| CN106629287B (en) | Rack-and-pinion lifting device maintainable technology on-orbit supports device | |
| CN202611297U (en) | Multilayer avoiding-free garage | |
| CN106829683A (en) | The in-flight maintenance of rack-and-pinion jacking equipment and safety catch | |
| CN105293243A (en) | Self-service escape car type elevator | |
| CN107032252B (en) | Pinion and-rack lifting device levels electromagnetic pulls safety catch | |
| CN205172094U (en) | Stereo garage lift platform | |
| CN106744193A (en) | Support the rack-and-pinion jacking equipment of enroute maintenance | |
| CN102502382A (en) | Heavy punch type lift car door lock mechanism | |
| CN106698160A (en) | Horizontal flat layer control and safety brake device of pinion-and-rack lifting equipment | |
| CN106744138A (en) | Rack-and-pinion jacking equipment levels electromagnetic promotes safety catch | |
| CN102935968A (en) | Roof-impacting preventing construction lift | |
| CN106744195A (en) | Rack-and-pinion jacking equipment levels electromagnetic lever flat bed controls safety catch | |
| CN204778136U (en) | Prevent unexpected automatically controlled braking safety device who moves of elevator car | |
| CN106744194A (en) | Jacking equipment levels electromagnetic lever-rack flat bed controls safety catch | |
| CN107032251A (en) | Rack-and-pinion jacking equipment horizontal safety catch | |
| CN106829680A (en) | Rack-and-pinion jacking equipment electromagnetism pulls flat bed control safety catch | |
| CN106744192A (en) | A kind of safety catch of pinion and-rack jacking equipment | |
| CN101117157A (en) | Passenger bridge and the integral lifting platform device thereof | |
| CN106744144A (en) | Jacking equipment electromagnetic propulsion rack-and-pinion safety catch | |
| CN202988468U (en) | Roof-impacting prevention construction lift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191225 Address after: 300000 No. 357, free trade road, Airport Economic Zone, Dongli District, Tianjin Patentee after: TIANJIN JINHANG INSTITUTE OF COMPUTING TECHNOLOGY Address before: 4, 528459 floor, No. 2, Xinxing Avenue, Zhongshan Town, Guangdong, A5 Patentee before: Liao Zhongmin |
|
| TR01 | Transfer of patent right |